A widely amplitude-adjustable chaotic oscillator based on a physical model of HP memristor

A widely amplitude-adjustable chaotic oscillator based on a physical model of HP memristor
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基于HP忆阻器物理模型的宽幅可调混沌振荡器

DOI:
10.1587/elex.15.20171251
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发表时间:
2018-04
影响因子:
0.8
通讯作者:
Kaifeng Dong
Kaifeng Dong
中科院分区:
工程技术4区
文献类型:
--
作者:
Zhen Wang;Chao Sun;Fang Jin;Wenqin Mo;Junlei Song;Kaifeng Dong

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基于一种新的边界限制HP忆阻器模型,设计了一种新型混沌振荡器。该系统数学上简单,而动力学丰富。结果表明,系统在较宽的参数范围内保持混沌状态,通过线性改变忆阻器模型的参数值,混沌序列的幅值可以被调制为无穷小或无穷小的艾德.掺杂区宽度的初始值对系统的稳定性没有影响。这两个特性使得忆阻器在产生大密钥空间和连续可调混沌信号方面具有优势。给出了电路仿真结果,仿真结果与数值计算结果吻合较好。
: We design a novel chaotic oscillator based on a new boundary-restricted HP memristor model. This system is mathematically simple, while dynamics rich. It is found that the system keeps chaotic within a wide range of the parameter, and the amplitude of chaotic sequences can be modi fi ed into in fi nite or in fi nitesimal by changing the parameter value of the memristor model linearly. Moreover, initial values of the width of doped region do not have in fl uence on system ’ s stability. The two features give the memristor advantages in generating a large key space and adjustable chaotic signals continuously. Circuit simulation of the system which shows good agreement with numerical results is also given.
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